Shop from a wide range of Crystal Quartz Moon Wire Wrapped Healing Pendant B with Anam Agate. It is also employed in many modern technologies to make things like silicon chips for computers, radios and various other man-made devices. Quartz is more valuable when it is completely intact; however, a piece of naturally occurring quartz of unusual color is still worth more and of higher quality than a smooth piece of manufactured plastic or glass designed to imitate quartz. Pendant, in jewelry, ornament suspended from a bracelet, earring, or, especially, a necklace. Pendants are derived from the primitive practice of wearing amulets or talismans around the neck. The practice dates from the Stone Age, when pendants consisted of such objects as teeth, stones, and shells. A gemstone worn as a pendant always gives better result than a ring. Place an order now at Anam Agate. Today Quartz Crystal is used as a crystal oscillator with the Quartz clock being a familiar example of a device using these properties.